Home / 3,458,210.30-5,188,222.65-1,328,363.90

Finding the Fourth Proportional to 3,458,210.30, 5,188,222.65 and 1,328,363.90

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Solution

The fourth proportional to 3,458,210.30, 5,188,222.65 and 1,328,363.90 is: 1,992,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,210.30 : 5,188,222.65 = 1,328,363.90 : x
  2. Step 2: Convert to fraction form
    3,458,210.30/5,188,222.65 = 1,328,363.90/x
  3. Step 3: Cross multiply
    3,458,210.30x = 5,188,222.65 × 1,328,363.90
  4. Step 4: Simplify right side
    3,458,210.30x = 6,891,847,673,422.34
  5. Step 5: Solve for x
    x = 6,891,847,673,422.34/3,458,210.30
  6. Step 6: Final answer
    x = 1,992,894.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.